
Cutter Tool Box Set for Pre-Insulated Duct Panel. Lightweight & Safe: Decreases building load while ensuring safety with a sandwich structure. Fireproof & Safe: Meets National standards with A class flame retardancy and 15mm flame height limit. Long Service Life: Durable design offers up to 20 years of service with low maintenance costs. Soundproof Performance: Creates a quieter environment by effectively reducing noise transmission. Eco-Friendly Material: No Freon, low formaldehyde volatilization, and safe for direct indoor application. Fast Installation: Easy to install with various accessories, shortening construction periods. Customization Options: Offers flexible customization including design, samples, designs, and full customization.